Ath10k-ct upstream firmware has been updated

The latest stable version is Release 13 https://www.candelatech.com/ath10k-10.4.php
Can everyone please update to the latest version?

…waiting for test feedback from its users.

Sorry, that's not what I meant, I mean this :sweat_smile:: https://github.com/openwrt/openwrt/blob/master/package/firmware/ath10k-ct-firmware/Makefile